Rivadeneira, J., M. Flavier, and F. Nayve, Jr. “Optimization of Acid and Steam Explosion Pretreatment of Cogon Grass for Improved Cellulose Enzymatic Saccharification”. Eurasian Chemico-Technological Journal 21, no. 2 (June 30, 2019): 143-147. Accessed September 19, 2019. http://ect-journal.kz/index.php/ectj/article/view/824.